<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
    <!-- 给生日者祝福的demo   -->
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
   <p th:utext="'生日快乐,'+${username}+'!'">0.0
   </p>
   <div>
   <img src='cid:p01'/>
   </div>
</body>
</html>